<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>多选框</title>
    <script src="jquery-2.0.3.js"></script>
</head>
<body>
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">
<input type="checkbox">

</body>
</html>
<script>
    $(document).ready(function(){
        $()
    })

</script>